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Preparation method of wear-resisting polyether-ether-ketone composite material filled and reinforced by calcium carbonate crystal whisker-vermiculite

A technology of calcium carbonate whiskers and polyetheretherketone, which is applied in the field of mechanical parts materials, can solve the problems of high friction coefficient of polyetheretherketone and harsh use requirements, and achieves improved interface bonding force, improved wear resistance, and improved shearing performance. Effect of Shear Strength and Storage Modulus

Inactive Publication Date: 2018-12-21
界首市鑫一龙机械设备购销有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, on the one hand, the friction coefficient of polyetheretherketone is high, and on the other hand, the requirements for the use of materials are becoming more and more stringent, so it is necessary to modify polyetheretherketone to meet the needs and broaden the application

Method used

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  • Preparation method of wear-resisting polyether-ether-ketone composite material filled and reinforced by calcium carbonate crystal whisker-vermiculite

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Embodiment 1

[0025] A preparation method of a calcium carbonate whisker-vermiculite filled reinforced wear-resistant polyetheretherketone composite material, characterized in that it comprises the following steps:

[0026] (1) Carbon fiber surface polymer coating:

[0027] Dissolve 1 part of sulfonated polyetheretherketone in dimethylformamide to make a coating solution with a concentration of 4g / L, dip the activated carbon fiber in the coating solution for 1 hour, take it out, and wait until the solvent evaporates , placed in a vacuum oven at 120-125°C for drying;

[0028] (2) Organic intercalation treatment of layered vermiculite:

[0029] Add 3 parts of distilled water, 3 parts of sodium chloride, and 500 parts of hydrochloric acid to 1 part of layered vermiculite, stir in a water bath at 80-83°C for 4 hours, filter and wash with water until there is no Cl - , mix with distilled water, add 1 part of organic intercalation agent hexadecyltrimethylammonium bromide, stir in 80-83℃ water b...

Embodiment 2

[0038] A preparation method of a calcium carbonate whisker-vermiculite filled reinforced wear-resistant polyetheretherketone composite material, characterized in that it comprises the following steps:

[0039] (1) Carbon fiber surface polymer coating:

[0040] Dissolve 2 parts of sulfonated polyetheretherketone in dimethylformamide to prepare a coating solution with a concentration of 6g / L. Immerse the activated carbon fiber in the coating solution for 2 hours, take it out, and wait for the solvent to evaporate , placed in a vacuum oven at 120-125°C for drying;

[0041] (2) Organic intercalation treatment of layered vermiculite:

[0042] Add 6 parts of distilled water, 6 parts of sodium chloride, and 600 parts of hydrochloric acid to 2 parts of layered vermiculite, stir in a water bath at 80-83°C for 5 hours, filter and wash with water until there is no Cl - , mixed with distilled water, added 2 parts of organic intercalation agent hexadecyltrimethylammonium bromide, stirred i...

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Abstract

The invention discloses a preparation method of a wear-resisting polyether-ether-ketone composite material filled and reinforced by calcium carbonate crystal whisker-vermiculite. The method comprisesthe steps of drying polyether-ether-ketone in a vacuum drying oven, loading the dried polyether-ether-ketone, silane-modified nanometer titania, surface-treatment calcium carbonate crystal whisker andsurface modification treatment carbon fiber, and organic intercalated vermiculite in a high-speed mixing machine, stirring and mixing at low speed, loading in a mold, pre-pressing, putting in a furnace, heating for melting, then placing into a press vulcanizer for mould pressing, air cooling, taking out, and annealing to obtain the composite material. Hexadecyl trimethyl ammonium bromide is adopted for carrying out organic intercalation treatment on lamellar vermiculite, so that the interlayer spacing of the vermiculite is increased; the vermiculite and the nanometer titania are compounded tomodify the polyether-ether-ketone, so that the oxidation of the polyether-ether-ketone is delayed, and the thermal and oxidative aging resistance of the polyether-ether-ketone is improved; the nanometer titania has a higher ultraviolet light shielding effect, so that the light aging resistance of the polyether-ether-ketone is improved.

Description

technical field [0001] The invention belongs to the field of mechanical parts materials, and in particular relates to a preparation method of calcium carbonate whisker-vermiculite filled and reinforced wear-resistant polyetheretherketone composite material. Background technique [0002] In industrial production or life, anti-friction and wear-resistant materials are indispensable. With the improvement of use requirements, resin [0003] Base wear-resistant materials are booming due to their unique advantages (light weight, self-lubricating, easy processing, etc.). Polyetheretherketone [0004] Resin has high mechanical strength, excellent chemical stability, wear resistance and easy processing. As a typical thermoplastic high-performance resin, it has been widely used in military and civilian fields. As a very good wear-resistant polymer material, polyetheretherketone can maintain good wear resistance under certain load, sliding speed and temperature range. However, on th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/16C08K9/06C08K3/22C08K7/08C08K9/04C08K7/06C08K9/02C08K7/00C08K3/34C08K13/06
CPCC08K3/22C08K3/346C08K7/00C08K7/06C08K7/08C08K9/02C08K9/04C08K9/06C08K9/08C08K13/06C08K2003/2241C08K2201/011C08L2201/08C08L61/16
Inventor 申慧君
Owner 界首市鑫一龙机械设备购销有限公司
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